<template>
  <div class="login-container">
    <el-form ref="loginFormRef" :model="loginData" :rules="loginRules" class="login-form">
      <div class="flex text-white items-center py-4">
        <span class="text-2xl flex-1 text-center">{{ $t("login.title") }}</span>
        <lang-select style="color: #fff" />
      </div>

      <el-form-item prop="username">
        <div class="p-2 text-white">
          <svg-icon icon-class="user" />
        </div>
        <el-input
          class="flex-1"
          ref="username"
          size="large"
          v-model="loginData.username"
          :placeholder="$t('login.username')"
          name="username"
        />
      </el-form-item>

      <el-tooltip
        :disabled="isCapslock === false"
        content="Caps lock is On"
        placement="right"
      >
        <el-form-item prop="password">
          <span class="p-2 text-white">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            class="flex-1"
            v-model="loginData.password"
            placeholder="密码"
            :type="passwordVisible === false ? 'password' : 'input'"
            size="large"
            name="password"
            @keyup="checkCapslock"
            @keyup.enter="handleLogin"
          />
          <span class="mr-2" @click="passwordVisible = !passwordVisible">
            <svg-icon
              :icon-class="passwordVisible === false ? 'eye' : 'eye-open'"
              class="text-white cursor-pointer"
            />
          </span>
        </el-form-item>
      </el-tooltip>
      <el-form-item prop="vericode">
        <div class="p-2 text-white">
          <svg-icon icon-class="valid_code" />
        </div>
        <div class="text-white flex-1">
          <el-input
            v-model="loginData.vericode"
            :placeholder="$t('login.verifyCode')"
            style="width: 100%"
            size="large"
            name="verCode"
            @keyup.enter="handleLogin"
          >
          </el-input>
        </div>
        <div class="p-2" style="text-align: right; width: 120px">
          <el-image
            :src="veryCodeUrl"
            style="
              width: 100%;
              height: 100%;
              vertical-align: middle;
              cursor: pointer;
              text-align: right;
            "
            @click="changeVeriCode"
          ></el-image>
        </div>
      </el-form-item>
      <div>
        <el-checkbox :label="$t('login.remeberMe')" v-model="rememberMe"></el-checkbox>
      </div>

      <el-button
        size="default"
        :loading="loading"
        type="primary"
        class="w-full"
        @click.prevent="handleLogin"
        >{{ $t("login.login") }}
      </el-button>
    </el-form>
  </div>
</template>

<script setup lang="ts">
import router from "@/router";
import LangSelect from "@/components/LangSelect/index.vue";
import SvgIcon from "@/components/SvgIcon/index.vue";

// 状态管理依赖
import { useUserStore } from "@/store/modules/user";
import { encrypt, decrypt } from "@/utils/index";
// API依赖
import { LocationQuery, LocationQueryValue, useRoute } from "vue-router";
import { LoginData } from "@/api/auth/types";
import { getVerificationCode } from "@/api/auth/index";

const encryKey = "admin1q2w3E*";
const userStore = useUserStore();
const route = useRoute();

/**
 * 按钮loading
 */
const loading = ref(false);
/**
 * 是否大写锁定
 */
const isCapslock = ref(false);
/**
 * 密码是否可见
 */
const passwordVisible = ref(false);
let veryCodeUrl = ref<string>();
let veryCodeId = ref<string>();
let rememberMe = ref<boolean>(true);
/**
 * 登录表单引用
 */
const loginFormRef = ref(ElForm);

const loginData = ref<LoginData>({
  username: null,
  password: null,
});

const loginRules = {
  username: [{ required: true, trigger: "blur" }],
  password: [{ required: true, trigger: "blur", validator: passwordValidator }],
  vericode: [{ required: true, trigger: "blur", message: "验证码不能为空" }],
};

/**
 * 密码校验器
 */
function passwordValidator(rule: any, value: any, callback: any) {
  if (value?.length < 6) {
    callback(new Error("The password can not be less than 6 digits"));
  } else {
    callback();
  }
}

/**
 * 检查输入大小写状态
 */
function checkCapslock(e: any) {
  const { key } = e;
  isCapslock.value = key && key.length === 1 && key >= "A" && key <= "Z";
}

const getVerCode = () => {
  getVerificationCode().then((res: any) => {
    veryCodeUrl.value = `data:image/png;base64,${res.base64Str}`;
    veryCodeId.value = res.id;
  });
};

const changeVeriCode = () => {
  getVerCode();
};

/**
 * 登录
 */
function handleLogin() {
  loginFormRef.value.validate((valid: boolean) => {
    if (valid) {
      loading.value = true;
      let param = { ...loginData.value };
      param.vericodeId = veryCodeId.value;

      userStore
        .login(param)
        .then(() => {
          const query: LocationQuery = route.query;

          const redirect = (query.redirect as LocationQueryValue) ?? "/";

          const otherQueryParams = Object.keys(query).reduce((acc: any, cur: string) => {
            if (cur !== "redirect") {
              acc[cur] = query[cur];
            }
            return acc;
          }, {});
          //  console.log('loginsuccess')
          if (rememberMe.value && rememberMe.value == true) {
            let encryptString = encrypt(
              {
                name: param.username,
                password: param.password,
              },
              encryKey
            );
            // console.log(encryKey)
            // debugger
            localStorage.setItem("upw", encryptString);
          } else {
            localStorage.removeItem("upw");
          }
          router.push({ path: redirect, query: otherQueryParams });
        })
        .catch(() => {})
        .finally(() => {
          loading.value = false;
        });
    }
  });
}

onMounted(() => {
  getVerCode();
  if (localStorage.getItem("upw") != null) {
    let loginInfo = decrypt(localStorage.getItem("upw"), encryKey);

    if (Object.keys(loginInfo).length >= 2) {
      rememberMe.value = true;
      loginData.value.username = loginInfo.name;
      loginData.value.password = loginInfo.password;
     
    }
  } else {
    rememberMe.value = false;
  }
});
</script>

<style lang="scss" scoped>
.login-container {
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  background-color: #2d3a4b;

  .login-form {
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;

    .captcha {
      position: absolute;
      top: 0;
      right: 0;

      img {
        width: 120px;
        height: 48px;
        cursor: pointer;
      }
    }
  }
}

.el-form-item {
  background: rgb(0 0 0 / 10%);
  border: 1px solid rgb(255 255 255 / 10%);
  border-radius: 5px;
}

.el-input {
  background: transparent;

  // 子组件 scoped 无效，使用 :deep
  :deep(.el-input__wrapper) {
    padding: 0;
    background: transparent;
    box-shadow: none;

    .el-input__inner {
      color: #fff;
      background: transparent;
      border: 0;
      border-radius: 0;
      caret-color: #fff;

      &:-webkit-autofill {
        box-shadow: 0 0 0 1000px transparent inset !important;
        -webkit-text-fill-color: #fff !important;
      }

      // 设置输入框自动填充的延迟属性
      &:-webkit-autofill,
      &:-webkit-autofill:hover,
      &:-webkit-autofill:focus,
      &:-webkit-autofill:active {
        transition: color 99999s ease-out, background-color 99999s ease-out;
        transition-delay: 99999s;
      }
    }
  }
}
</style>
